package com.atguigu.gulimall.ssoserver.controller;

import com.sun.deploy.net.HttpResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import java.util.UUID;

/**
 * @ClassName LoginController
 * @Description TODO
 * @Author Administrator
 * @Date 2022/7/3 22:40
 * @Version 1.0
 **/
@Controller
public class LoginController {

    @Autowired
    RedisTemplate redisTemplate;

    @PostMapping("/doLogin")
    public String doLogin(@RequestParam("username") String username, @RequestParam("password") String password,
                          @RequestParam("url") String url, HttpServletResponse response){
        if (!StringUtils.isEmpty(username) && !StringUtils.isEmpty(password)){
            String uuid = UUID.randomUUID().toString().replace("-","");
            redisTemplate.opsForValue().set(uuid,username);
            response.addCookie(new Cookie("sso_token",uuid));
            return "redirect:"+url+"?token="+uuid;
        }
        //跳回之前的页
        return "login";
    }


    @GetMapping("/login.html")
    public String loginPage(@RequestParam("redirect_url") String url, Model model, @CookieValue(value = "sso_token",required = false)String sso_token){
        if (!StringUtils.isEmpty(sso_token)){
            return "redirect:"+url+"?token="+sso_token;
        }
        model.addAttribute("url",url);
        return "login";
    }

}
